Ebay  offers Dickies Men's Regular Fit Straight Leg Flat Front Pants for $10 (reg $19.99) with free shipping.

Product Description:
No nonsense styling comes easy in Genuine Dickies Men's Twill Work Pants. The regular fit and flat front provide for straightforward wearability while the wrinkle resistant and Tough on Stains® fabric ensure that these work pants will last. This means that you can maintain your professional look even when the toughest tasks are thrown your way. Durable twill construction ensures the quality of these pants with features like wide belt loops to provide a great fit while carrying your heaviest tool bags. Never short on utility, dual front and rear pockets are within reach for all your cell phone or small utensils. Features

• 7.75 oz Twill
• Wrinkle Resistant
• 65% Polyester/ 35% cotton
• Stain Release Fabric
• Wide Belt Loops for Waist Adjustments